Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Quadratic Inequalities
Using this tutorial, you'll learn two methods of solving quadratic inequalities: using a sign graph of factors and using the test-point method. Offers step-by-step written examples, and practice problems for you to complete.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Rational Inequalities
Use this tutorial to learn how to solve rational inequalities by using a sign graph of factors and by using the test-point method. Offers a good collection of step-by-stem solutions and practice problems for you to complete.